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14380121 = 75213943
BaseRepresentation
bin110110110110…
…110001011001
31000001120211002
4312312301121
512140130441
61232114345
7233141360
oct66666131
930046732
1014380121
118131aa8
1249959b5
132c96462
141ca47d7
1513e0b9b
hexdb6c59

14380121 has 8 divisors (see below), whose sum is σ = 16470144. Its totient is φ = 12299040.

The previous prime is 14380117. The next prime is 14380141. The reversal of 14380121 is 12108341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14380121 - 22 = 14380117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14380093 and 14380102.

It is not an unprimeable number, because it can be changed into a prime (14380111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1676 + ... + 5618.

It is an arithmetic number, because the mean of its divisors is an integer number (2058768).

Almost surely, 214380121 is an apocalyptic number.

It is an amenable number.

14380121 is a deficient number, since it is larger than the sum of its proper divisors (2090023).

14380121 is an equidigital number, since it uses as much as digits as its factorization.

14380121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4471.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 14380121 is about 3792.1129993712. The cubic root of 14380121 is about 243.1760763290.

Adding to 14380121 its reverse (12108341), we get a palindrome (26488462).

The spelling of 14380121 in words is "fourteen million, three hundred eighty thousand, one hundred twenty-one".

Divisors: 1 7 521 3647 3943 27601 2054303 14380121